{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Our finding thus show that the antimicrobial polymers and oligomers exert toxicity toward Gram - negative bacteria by disrupting the morphology and structures of cell envelope and cytoplasm , including cellular components such as proteins and DNA , while exert toxicity toward Gram - positive bacteria by binding to and disrupting just the cell wall ."}
{"Chemical": []}